20684160

素因数分解:

$2^7\times 3^5\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 384

約数和(自身を含む): 89107200

約数和(自身を除く): 68423040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 64, 70, 72, 76, 80, 81, 84, 90, 95, 96, 105, 108, 112, 114, 120, 126, 128, 133, 135, 140, 144, 152, 160, 162, 168, 171, 180, 189, 190, 192, 210, 216, 224, 228, 240, 243, 252, 266, 270, 280, 285, 288, 304, 315, 320, 324, 336, 342, 360, 378, 380, 384, 399, 405, 420, 432, 448, 456, 480, 486, 504, 513, 532, 540, 560, 567, 570, 576, 608, 630, 640, 648, 665, 672, 684, 720, 756, 760, 798, 810, 840, 855, 864, 896, 912, 945, 960, 972, 1008, 1026, 1064, 1080, 1120, 1134, 1140, 1152, 1197, 1215, 1216, 1260, 1296, 1330, 1344, 1368, 1440, 1512, 1520, 1539, 1596, 1620, 1680, 1701, 1710, 1728, 1824, 1890, 1920, 1944, 1995, 2016, 2052, 2128, 2160, 2240, 2268, 2280, 2394, 2430, 2432, 2520, 2565, 2592, 2660, 2688, 2736, 2835, 2880, 3024, 3040, 3078, 3192, 3240, 3360, 3402, 3420, 3456, 3591, 3648, 3780, 3888, 3990, 4032, 4104, 4256, 4320, 4480, 4536, 4560, 4617, 4788, 4860, 5040, 5130, 5184, 5320, 5472, 5670, 5760, 5985, 6048, 6080, 6156, 6384, 6480, 6720, 6804, 6840, 7182, 7296, 7560, 7695, 7776, 7980, 8064, 8208, 8505, 8512, 8640, 9072, 9120, 9234, 9576, 9720, 10080, 10260, 10368, 10640, 10773, 10944, 11340, 11970, 12096, 12160, 12312, 12768, 12960, 13440, 13608, 13680, 14364, 15120, 15390, 15552, 15960, 16416, 17010, 17024, 17280, 17955, 18144, 18240, 18468, 19152, 19440, 20160, 20520, 21280, 21546, 21888, 22680, 23085, 23940, 24192, 24624, 25536, 25920, 27216, 27360, 28728, 30240, 30780, 31104, 31920, 32319, 32832, 34020, 35910, 36288, 36480, 36936, 38304, 38880, 40320, 41040, 42560, 43092, 45360, 46170, 47880, 49248, 51072, 51840, 53865, 54432, 54720, 57456, 60480, 61560, 63840, 64638, 65664, 68040, 71820, 72576, 73872, 76608, 77760, 82080, 85120, 86184, 90720, 92340, 95760, 98496, 107730, 108864, 109440, 114912, 120960, 123120, 127680, 129276, 136080, 143640, 147744, 153216, 155520, 161595, 164160, 172368, 181440, 184680, 191520, 196992, 215460, 217728, 229824, 246240, 255360, 258552, 272160, 287280, 295488, 323190, 328320, 344736, 362880, 369360, 383040, 430920, 459648, 492480, 517104, 544320, 574560, 590976, 646380, 689472, 738720, 766080, 861840, 984960, 1034208, 1088640, 1149120, 1292760, 1378944, 1477440, 1723680, 2068416, 2298240, 2585520, 2954880, 3447360, 4136832, 5171040, 6894720, 10342080, 20684160]

約数ペア:

[(1, 20684160), (2, 10342080), (3, 6894720), (4, 5171040), (5, 4136832), (6, 3447360), (7, 2954880), (8, 2585520), (9, 2298240), (10, 2068416), (12, 1723680), (14, 1477440), (15, 1378944), (16, 1292760), (18, 1149120), (19, 1088640), (20, 1034208), (21, 984960), (24, 861840), (27, 766080), (28, 738720), (30, 689472), (32, 646380), (35, 590976), (36, 574560), (38, 544320), (40, 517104), (42, 492480), (45, 459648), (48, 430920), (54, 383040), (56, 369360), (57, 362880), (60, 344736), (63, 328320), (64, 323190), (70, 295488), (72, 287280), (76, 272160), (80, 258552), (81, 255360), (84, 246240), (90, 229824), (95, 217728), (96, 215460), (105, 196992), (108, 191520), (112, 184680), (114, 181440), (120, 172368), (126, 164160), (128, 161595), (133, 155520), (135, 153216), (140, 147744), (144, 143640), (152, 136080), (160, 129276), (162, 127680), (168, 123120), (171, 120960), (180, 114912), (189, 109440), (190, 108864), (192, 107730), (210, 98496), (216, 95760), (224, 92340), (228, 90720), (240, 86184), (243, 85120), (252, 82080), (266, 77760), (270, 76608), (280, 73872), (285, 72576), (288, 71820), (304, 68040), (315, 65664), (320, 64638), (324, 63840), (336, 61560), (342, 60480), (360, 57456), (378, 54720), (380, 54432), (384, 53865), (399, 51840), (405, 51072), (420, 49248), (432, 47880), (448, 46170), (456, 45360), (480, 43092), (486, 42560), (504, 41040), (513, 40320), (532, 38880), (540, 38304), (560, 36936), (567, 36480), (570, 36288), (576, 35910), (608, 34020), (630, 32832), (640, 32319), (648, 31920), (665, 31104), (672, 30780), (684, 30240), (720, 28728), (756, 27360), (760, 27216), (798, 25920), (810, 25536), (840, 24624), (855, 24192), (864, 23940), (896, 23085), (912, 22680), (945, 21888), (960, 21546), (972, 21280), (1008, 20520), (1026, 20160), (1064, 19440), (1080, 19152), (1120, 18468), (1134, 18240), (1140, 18144), (1152, 17955), (1197, 17280), (1215, 17024), (1216, 17010), (1260, 16416), (1296, 15960), (1330, 15552), (1344, 15390), (1368, 15120), (1440, 14364), (1512, 13680), (1520, 13608), (1539, 13440), (1596, 12960), (1620, 12768), (1680, 12312), (1701, 12160), (1710, 12096), (1728, 11970), (1824, 11340), (1890, 10944), (1920, 10773), (1944, 10640), (1995, 10368), (2016, 10260), (2052, 10080), (2128, 9720), (2160, 9576), (2240, 9234), (2268, 9120), (2280, 9072), (2394, 8640), (2430, 8512), (2432, 8505), (2520, 8208), (2565, 8064), (2592, 7980), (2660, 7776), (2688, 7695), (2736, 7560), (2835, 7296), (2880, 7182), (3024, 6840), (3040, 6804), (3078, 6720), (3192, 6480), (3240, 6384), (3360, 6156), (3402, 6080), (3420, 6048), (3456, 5985), (3591, 5760), (3648, 5670), (3780, 5472), (3888, 5320), (3990, 5184), (4032, 5130), (4104, 5040), (4256, 4860), (4320, 4788), (4480, 4617), (4536, 4560)]